./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:32:38,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:32:38,956 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-17 11:32:38,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:32:38,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:32:38,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:32:38,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:32:38,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:32:38,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:32:38,987 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:32:38,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:32:38,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:32:38,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:32:38,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:32:38,987 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:32:38,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:32:38,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:32:38,988 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:32:38,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:32:38,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:32:38,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:32:38,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:32:38,988 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:32:38,989 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:32:38,989 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:32:38,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:32:38,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:32:38,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:32:38,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:32:38,991 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2025-03-17 11:32:39,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:32:39,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:32:39,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:32:39,209 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:32:39,210 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:32:39,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2025-03-17 11:32:40,310 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1395d82/e100ebcd3bec48908cb744ee846f567a/FLAG9f95112d1 [2025-03-17 11:32:40,650 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:32:40,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2025-03-17 11:32:40,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1395d82/e100ebcd3bec48908cb744ee846f567a/FLAG9f95112d1 [2025-03-17 11:32:40,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1395d82/e100ebcd3bec48908cb744ee846f567a [2025-03-17 11:32:40,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:32:40,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:32:40,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:32:40,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:32:40,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:32:40,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:32:40" (1/1) ... [2025-03-17 11:32:40,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7482125a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:40, skipping insertion in model container [2025-03-17 11:32:40,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:32:40" (1/1) ... [2025-03-17 11:32:40,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:32:41,232 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,260 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,261 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,266 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,271 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,291 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,292 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,293 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,293 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,295 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,296 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,297 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,297 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,302 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,303 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,305 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,306 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,306 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,308 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:41,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:32:41,329 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-03-17 11:32:41,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15edf221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:41, skipping insertion in model container [2025-03-17 11:32:41,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:32:41,330 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-17 11:32:41,332 INFO L158 Benchmark]: Toolchain (without parser) took 453.61ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 108.5MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:32:41,332 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:32:41,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.04ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 108.5MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:32:41,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.04ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 108.5MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:32:42,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:32:42,971 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-17 11:32:42,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:32:42,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:32:42,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:32:42,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:32:42,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:32:42,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:32:42,998 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:32:42,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:32:42,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:32:42,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:32:42,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:32:43,000 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:32:43,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:32:43,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:32:43,000 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:32:43,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:32:43,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 11:32:43,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:32:43,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:32:43,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:32:43,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:32:43,003 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 11:32:43,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 11:32:43,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:32:43,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:32:43,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:32:43,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:32:43,003 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2025-03-17 11:32:43,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:32:43,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:32:43,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:32:43,226 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:32:43,226 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:32:43,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2025-03-17 11:32:44,400 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433851f52/3cf0868e520849aaa189e2fe36ffa7bf/FLAG82f1420d2 [2025-03-17 11:32:44,648 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:32:44,651 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2025-03-17 11:32:44,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433851f52/3cf0868e520849aaa189e2fe36ffa7bf/FLAG82f1420d2 [2025-03-17 11:32:44,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433851f52/3cf0868e520849aaa189e2fe36ffa7bf [2025-03-17 11:32:44,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:32:44,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:32:44,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:32:44,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:32:44,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:32:44,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:32:44" (1/1) ... [2025-03-17 11:32:44,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34dc75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:44, skipping insertion in model container [2025-03-17 11:32:44,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:32:44" (1/1) ... [2025-03-17 11:32:44,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:32:45,054 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,089 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,091 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,098 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,104 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,130 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,130 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,132 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,132 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,134 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,135 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,136 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,137 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,139 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,140 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,144 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,145 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,145 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,146 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,149 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:32:45,172 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-17 11:32:45,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:32:45,205 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,223 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,224 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,227 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,233 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,252 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,255 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,258 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,258 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,259 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,259 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,260 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,260 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,262 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,262 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,263 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,264 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,264 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,266 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,268 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:32:45,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:32:45,277 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:32:45,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:32:45,434 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:32:45,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45 WrapperNode [2025-03-17 11:32:45,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:32:45,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:32:45,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:32:45,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:32:45,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,510 INFO L138 Inliner]: procedures = 286, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1181 [2025-03-17 11:32:45,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:32:45,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:32:45,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:32:45,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:32:45,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,594 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 34, 270]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 4, 57]. [2025-03-17 11:32:45,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,633 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:32:45,649 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:32:45,649 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:32:45,649 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:32:45,650 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (1/1) ... [2025-03-17 11:32:45,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:32:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:32:45,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 11:32:45,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 11:32:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 11:32:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 11:32:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-17 11:32:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-17 11:32:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-17 11:32:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2025-03-17 11:32:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-17 11:32:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-17 11:32:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-17 11:32:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-17 11:32:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-03-17 11:32:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2025-03-17 11:32:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2025-03-17 11:32:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 11:32:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 11:32:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:32:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:32:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2025-03-17 11:32:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2025-03-17 11:32:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 11:32:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 11:32:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 11:32:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 11:32:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2025-03-17 11:32:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2025-03-17 11:32:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:32:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:32:45,886 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:32:45,888 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:32:45,959 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2025-03-17 11:32:51,090 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2025-03-17 11:32:51,091 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2025-03-17 11:32:51,091 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L987: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 11:32:51,130 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2025-03-17 11:32:51,130 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:32:51,139 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:32:51,141 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:32:51,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:32:51 BoogieIcfgContainer [2025-03-17 11:32:51,142 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:32:51,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:32:51,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:32:51,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:32:51,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:32:44" (1/3) ... [2025-03-17 11:32:51,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553a6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:32:51, skipping insertion in model container [2025-03-17 11:32:51,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:32:45" (2/3) ... [2025-03-17 11:32:51,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553a6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:32:51, skipping insertion in model container [2025-03-17 11:32:51,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:32:51" (3/3) ... [2025-03-17 11:32:51,150 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-2.i [2025-03-17 11:32:51,159 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:32:51,160 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test6-2.i that has 6 procedures, 259 locations, 1 initial locations, 39 loop locations, and 2 error locations. [2025-03-17 11:32:51,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:32:51,196 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@63704eb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:32:51,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 11:32:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 232 states have (on average 1.6077586206896552) internal successors, (373), 237 states have internal predecessors, (373), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 11:32:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 11:32:51,203 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:32:51,203 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:32:51,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:32:51,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:32:51,207 INFO L85 PathProgramCache]: Analyzing trace with hash 595575395, now seen corresponding path program 1 times [2025-03-17 11:32:51,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:32:51,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [682302995] [2025-03-17 11:32:51,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:32:51,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:32:51,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:32:51,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:32:51,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 11:32:51,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 11:32:51,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 11:32:51,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:32:51,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:32:51,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 11:32:51,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:32:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:32:51,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:32:51,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:32:51,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682302995] [2025-03-17 11:32:51,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682302995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:32:51,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:32:51,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:32:51,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596479576] [2025-03-17 11:32:51,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:32:51,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:32:51,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:32:51,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:32:51,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:32:51,443 INFO L87 Difference]: Start difference. First operand has 259 states, 232 states have (on average 1.6077586206896552) internal successors, (373), 237 states have internal predecessors, (373), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:51,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:32:51,465 INFO L93 Difference]: Finished difference Result 254 states and 332 transitions. [2025-03-17 11:32:51,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:32:51,466 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 11:32:51,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:32:51,471 INFO L225 Difference]: With dead ends: 254 [2025-03-17 11:32:51,472 INFO L226 Difference]: Without dead ends: 252 [2025-03-17 11:32:51,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:32:51,474 INFO L435 NwaCegarLoop]: 332 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:32:51,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:32:51,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-03-17 11:32:51,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2025-03-17 11:32:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 227 states have (on average 1.303964757709251) internal successors, (296), 232 states have internal predecessors, (296), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 11:32:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 330 transitions. [2025-03-17 11:32:51,518 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 330 transitions. Word has length 9 [2025-03-17 11:32:51,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:32:51,518 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 330 transitions. [2025-03-17 11:32:51,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 330 transitions. [2025-03-17 11:32:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 11:32:51,519 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:32:51,519 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:32:51,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 11:32:51,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:32:51,720 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:32:51,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:32:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash -943721344, now seen corresponding path program 1 times [2025-03-17 11:32:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:32:51,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903813103] [2025-03-17 11:32:51,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:32:51,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:32:51,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:32:51,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:32:51,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 11:32:51,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 11:32:51,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 11:32:51,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:32:51,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:32:51,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:32:51,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:32:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:32:51,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:32:51,947 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:32:51,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903813103] [2025-03-17 11:32:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903813103] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:32:51,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:32:51,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:32:51,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315192118] [2025-03-17 11:32:51,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:32:51,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:32:51,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:32:51,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:32:51,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:32:51,950 INFO L87 Difference]: Start difference. First operand 252 states and 330 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:56,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 11:32:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:32:58,435 INFO L93 Difference]: Finished difference Result 401 states and 528 transitions. [2025-03-17 11:32:58,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:32:58,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 11:32:58,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:32:58,438 INFO L225 Difference]: With dead ends: 401 [2025-03-17 11:32:58,438 INFO L226 Difference]: Without dead ends: 401 [2025-03-17 11:32:58,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:32:58,439 INFO L435 NwaCegarLoop]: 343 mSDtfsCounter, 179 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-03-17 11:32:58,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 941 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 123 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2025-03-17 11:32:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-17 11:32:58,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 366. [2025-03-17 11:32:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 338 states have (on average 1.3076923076923077) internal successors, (442), 343 states have internal predecessors, (442), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 11:32:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 482 transitions. [2025-03-17 11:32:58,456 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 482 transitions. Word has length 11 [2025-03-17 11:32:58,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:32:58,456 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 482 transitions. [2025-03-17 11:32:58,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 482 transitions. [2025-03-17 11:32:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 11:32:58,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:32:58,457 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:32:58,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 11:32:58,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:32:58,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:32:58,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:32:58,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1664402235, now seen corresponding path program 1 times [2025-03-17 11:32:58,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:32:58,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883254885] [2025-03-17 11:32:58,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:32:58,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:32:58,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:32:58,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:32:58,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 11:32:58,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 11:32:58,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 11:32:58,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:32:58,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:32:58,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 11:32:58,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:32:58,816 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:32:58,817 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:32:58,817 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:32:58,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-17 11:32:58,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:32:58,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-17 11:32:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:32:58,889 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:32:58,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:32:58,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883254885] [2025-03-17 11:32:58,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883254885] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:32:58,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:32:58,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:32:58,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060359482] [2025-03-17 11:32:58,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:32:58,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:32:58,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:32:58,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:32:58,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:32:58,890 INFO L87 Difference]: Start difference. First operand 366 states and 482 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:32:59,306 INFO L93 Difference]: Finished difference Result 574 states and 763 transitions. [2025-03-17 11:32:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:32:59,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-03-17 11:32:59,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:32:59,308 INFO L225 Difference]: With dead ends: 574 [2025-03-17 11:32:59,308 INFO L226 Difference]: Without dead ends: 574 [2025-03-17 11:32:59,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:32:59,309 INFO L435 NwaCegarLoop]: 361 mSDtfsCounter, 266 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 11:32:59,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1016 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 11:32:59,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2025-03-17 11:32:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 365. [2025-03-17 11:32:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 337 states have (on average 1.3056379821958457) internal successors, (440), 342 states have internal predecessors, (440), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 11:32:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 480 transitions. [2025-03-17 11:32:59,324 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 480 transitions. Word has length 14 [2025-03-17 11:32:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:32:59,325 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 480 transitions. [2025-03-17 11:32:59,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 480 transitions. [2025-03-17 11:32:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 11:32:59,326 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:32:59,326 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:32:59,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 11:32:59,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:32:59,526 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:32:59,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:32:59,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1582896138, now seen corresponding path program 1 times [2025-03-17 11:32:59,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:32:59,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053486038] [2025-03-17 11:32:59,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:32:59,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:32:59,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:32:59,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:32:59,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 11:32:59,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 11:32:59,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 11:32:59,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:32:59,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:32:59,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:32:59,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:32:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:32:59,774 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:32:59,774 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:32:59,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053486038] [2025-03-17 11:32:59,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053486038] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:32:59,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:32:59,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:32:59,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680114330] [2025-03-17 11:32:59,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:32:59,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:32:59,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:32:59,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:32:59,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:32:59,775 INFO L87 Difference]: Start difference. First operand 365 states and 480 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:59,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:32:59,861 INFO L93 Difference]: Finished difference Result 371 states and 470 transitions. [2025-03-17 11:32:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 11:32:59,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2025-03-17 11:32:59,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:32:59,863 INFO L225 Difference]: With dead ends: 371 [2025-03-17 11:32:59,863 INFO L226 Difference]: Without dead ends: 371 [2025-03-17 11:32:59,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:32:59,864 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 30 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:32:59,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 884 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:32:59,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-17 11:32:59,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-03-17 11:32:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 343 states have (on average 1.2536443148688046) internal successors, (430), 348 states have internal predecessors, (430), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 11:32:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 470 transitions. [2025-03-17 11:32:59,871 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 470 transitions. Word has length 47 [2025-03-17 11:32:59,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:32:59,872 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 470 transitions. [2025-03-17 11:32:59,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:32:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 470 transitions. [2025-03-17 11:32:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 11:32:59,872 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:32:59,873 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:32:59,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 11:33:00,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:00,073 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:33:00,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:33:00,074 INFO L85 PathProgramCache]: Analyzing trace with hash -325979357, now seen corresponding path program 1 times [2025-03-17 11:33:00,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:33:00,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919247007] [2025-03-17 11:33:00,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:33:00,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:00,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:33:00,076 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:33:00,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 11:33:00,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 11:33:00,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 11:33:00,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:33:00,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:33:00,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 11:33:00,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:33:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:33:00,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:33:00,401 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:33:00,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919247007] [2025-03-17 11:33:00,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919247007] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:33:00,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:33:00,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 11:33:00,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194025926] [2025-03-17 11:33:00,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:33:00,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:33:00,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:33:00,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:33:00,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:33:00,402 INFO L87 Difference]: Start difference. First operand 371 states and 470 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:33:00,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:33:00,511 INFO L93 Difference]: Finished difference Result 380 states and 480 transitions. [2025-03-17 11:33:00,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 11:33:00,512 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2025-03-17 11:33:00,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:33:00,514 INFO L225 Difference]: With dead ends: 380 [2025-03-17 11:33:00,515 INFO L226 Difference]: Without dead ends: 380 [2025-03-17 11:33:00,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 11:33:00,516 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 8 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:33:00,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1907 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:33:00,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-03-17 11:33:00,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 379. [2025-03-17 11:33:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 348 states have (on average 1.25) internal successors, (435), 354 states have internal predecessors, (435), 24 states have call successors, (24), 7 states have call predecessors, (24), 5 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 11:33:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 479 transitions. [2025-03-17 11:33:00,527 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 479 transitions. Word has length 47 [2025-03-17 11:33:00,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:33:00,527 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 479 transitions. [2025-03-17 11:33:00,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:33:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 479 transitions. [2025-03-17 11:33:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-17 11:33:00,530 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:33:00,530 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:33:00,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 11:33:00,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:00,731 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:33:00,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:33:00,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1640233494, now seen corresponding path program 1 times [2025-03-17 11:33:00,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:33:00,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456575074] [2025-03-17 11:33:00,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:33:00,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:33:00,734 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:33:00,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 11:33:00,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 11:33:00,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 11:33:00,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:33:00,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:33:00,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:33:00,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:33:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:33:01,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:33:01,029 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:33:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456575074] [2025-03-17 11:33:01,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456575074] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:33:01,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:33:01,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:33:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362759042] [2025-03-17 11:33:01,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:33:01,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:33:01,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:33:01,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:33:01,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:33:01,031 INFO L87 Difference]: Start difference. First operand 379 states and 479 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 11:33:01,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:33:01,229 INFO L93 Difference]: Finished difference Result 1011 states and 1299 transitions. [2025-03-17 11:33:01,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:33:01,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2025-03-17 11:33:01,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:33:01,232 INFO L225 Difference]: With dead ends: 1011 [2025-03-17 11:33:01,232 INFO L226 Difference]: Without dead ends: 1011 [2025-03-17 11:33:01,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:33:01,233 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 583 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 11:33:01,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 1624 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 11:33:01,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2025-03-17 11:33:01,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 929. [2025-03-17 11:33:01,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 867 states have (on average 1.2675893886966552) internal successors, (1099), 877 states have internal predecessors, (1099), 48 states have call successors, (48), 13 states have call predecessors, (48), 12 states have return successors, (47), 38 states have call predecessors, (47), 44 states have call successors, (47) [2025-03-17 11:33:01,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1194 transitions. [2025-03-17 11:33:01,250 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1194 transitions. Word has length 66 [2025-03-17 11:33:01,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:33:01,250 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1194 transitions. [2025-03-17 11:33:01,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 11:33:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1194 transitions. [2025-03-17 11:33:01,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-17 11:33:01,251 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:33:01,251 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:33:01,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 11:33:01,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:01,452 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:33:01,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:33:01,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1424865488, now seen corresponding path program 1 times [2025-03-17 11:33:01,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:33:01,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035214683] [2025-03-17 11:33:01,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:33:01,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:33:01,455 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:33:01,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 11:33:01,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 11:33:01,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 11:33:01,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:33:01,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:33:01,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 11:33:01,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:33:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 11:33:01,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:33:01,829 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:33:01,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035214683] [2025-03-17 11:33:01,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035214683] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:33:01,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:33:01,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:33:01,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606939695] [2025-03-17 11:33:01,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:33:01,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:33:01,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:33:01,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:33:01,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:33:01,831 INFO L87 Difference]: Start difference. First operand 929 states and 1194 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:33:01,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:33:01,860 INFO L93 Difference]: Finished difference Result 938 states and 1206 transitions. [2025-03-17 11:33:01,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:33:01,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2025-03-17 11:33:01,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:33:01,864 INFO L225 Difference]: With dead ends: 938 [2025-03-17 11:33:01,864 INFO L226 Difference]: Without dead ends: 938 [2025-03-17 11:33:01,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:33:01,865 INFO L435 NwaCegarLoop]: 316 mSDtfsCounter, 0 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:33:01,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 941 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:33:01,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2025-03-17 11:33:01,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2025-03-17 11:33:01,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 873 states have (on average 1.2691867124856815) internal successors, (1108), 886 states have internal predecessors, (1108), 48 states have call successors, (48), 13 states have call predecessors, (48), 15 states have return successors, (50), 38 states have call predecessors, (50), 44 states have call successors, (50) [2025-03-17 11:33:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1206 transitions. [2025-03-17 11:33:01,882 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1206 transitions. Word has length 91 [2025-03-17 11:33:01,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:33:01,882 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1206 transitions. [2025-03-17 11:33:01,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:33:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1206 transitions. [2025-03-17 11:33:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 11:33:01,883 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:33:01,884 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:33:01,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 11:33:02,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:02,088 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:33:02,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:33:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1643528482, now seen corresponding path program 1 times [2025-03-17 11:33:02,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:33:02,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439166284] [2025-03-17 11:33:02,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:33:02,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:02,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:33:02,091 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:33:02,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 11:33:02,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 11:33:02,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 11:33:02,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:33:02,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:33:02,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 11:33:02,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:33:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 11:33:02,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:33:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 11:33:02,832 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:33:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439166284] [2025-03-17 11:33:02,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439166284] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:33:02,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:33:02,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-17 11:33:02,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651106554] [2025-03-17 11:33:02,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:33:02,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 11:33:02,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:33:02,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 11:33:02,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-17 11:33:02,833 INFO L87 Difference]: Start difference. First operand 938 states and 1206 transitions. Second operand has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 11:33:04,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:33:04,477 INFO L93 Difference]: Finished difference Result 3696 states and 4788 transitions. [2025-03-17 11:33:04,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-17 11:33:04,477 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 93 [2025-03-17 11:33:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:33:04,491 INFO L225 Difference]: With dead ends: 3696 [2025-03-17 11:33:04,492 INFO L226 Difference]: Without dead ends: 3696 [2025-03-17 11:33:04,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2025-03-17 11:33:04,493 INFO L435 NwaCegarLoop]: 1121 mSDtfsCounter, 4947 mSDsluCounter, 7240 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4978 SdHoareTripleChecker+Valid, 8361 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-17 11:33:04,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4978 Valid, 8361 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-17 11:33:04,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2025-03-17 11:33:04,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 2745. [2025-03-17 11:33:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2745 states, 2577 states have (on average 1.2774544043461389) internal successors, (3292), 2607 states have internal predecessors, (3292), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2025-03-17 11:33:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 3557 transitions. [2025-03-17 11:33:04,564 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 3557 transitions. Word has length 93 [2025-03-17 11:33:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:33:04,564 INFO L471 AbstractCegarLoop]: Abstraction has 2745 states and 3557 transitions. [2025-03-17 11:33:04,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 12 states have internal predecessors, (151), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 11:33:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 3557 transitions. [2025-03-17 11:33:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 11:33:04,566 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:33:04,566 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:33:04,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 11:33:04,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:04,767 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:33:04,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:33:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1465997473, now seen corresponding path program 1 times [2025-03-17 11:33:04,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:33:04,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905846680] [2025-03-17 11:33:04,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:33:04,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:04,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:33:04,770 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:33:04,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 11:33:04,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 11:33:05,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 11:33:05,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:33:05,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:33:05,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 11:33:05,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:33:05,123 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:33:05,124 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:33:05,124 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:33:05,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2025-03-17 11:33:05,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:33:05,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-17 11:33:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 11:33:05,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:33:05,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:33:05,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905846680] [2025-03-17 11:33:05,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905846680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:33:05,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:33:05,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:33:05,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259101868] [2025-03-17 11:33:05,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:33:05,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:33:05,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:33:05,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:33:05,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:33:05,172 INFO L87 Difference]: Start difference. First operand 2745 states and 3557 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:33:05,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:33:05,565 INFO L93 Difference]: Finished difference Result 3720 states and 4858 transitions. [2025-03-17 11:33:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:33:05,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 101 [2025-03-17 11:33:05,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:33:05,577 INFO L225 Difference]: With dead ends: 3720 [2025-03-17 11:33:05,577 INFO L226 Difference]: Without dead ends: 3720 [2025-03-17 11:33:05,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:33:05,579 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 209 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 11:33:05,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 883 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 11:33:05,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2025-03-17 11:33:05,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 2761. [2025-03-17 11:33:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2593 states have (on average 1.275742383339761) internal successors, (3308), 2623 states have internal predecessors, (3308), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2025-03-17 11:33:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 3573 transitions. [2025-03-17 11:33:05,642 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 3573 transitions. Word has length 101 [2025-03-17 11:33:05,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:33:05,643 INFO L471 AbstractCegarLoop]: Abstraction has 2761 states and 3573 transitions. [2025-03-17 11:33:05,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 11:33:05,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3573 transitions. [2025-03-17 11:33:05,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 11:33:05,644 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:33:05,644 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:33:05,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-17 11:33:05,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:05,845 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:33:05,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:33:05,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1965980530, now seen corresponding path program 1 times [2025-03-17 11:33:05,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:33:05,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183351488] [2025-03-17 11:33:05,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:33:05,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:05,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:33:05,850 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:33:05,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 11:33:06,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 11:33:06,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 11:33:06,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:33:06,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:33:06,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 11:33:06,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:33:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-17 11:33:06,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:33:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-17 11:33:06,397 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:33:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183351488] [2025-03-17 11:33:06,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183351488] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:33:06,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:33:06,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 11:33:06,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522477173] [2025-03-17 11:33:06,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:33:06,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:33:06,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:33:06,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:33:06,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:33:06,398 INFO L87 Difference]: Start difference. First operand 2761 states and 3573 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 11:33:06,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:33:06,533 INFO L93 Difference]: Finished difference Result 2827 states and 3675 transitions. [2025-03-17 11:33:06,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 11:33:06,534 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 107 [2025-03-17 11:33:06,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:33:06,541 INFO L225 Difference]: With dead ends: 2827 [2025-03-17 11:33:06,541 INFO L226 Difference]: Without dead ends: 2827 [2025-03-17 11:33:06,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-17 11:33:06,541 INFO L435 NwaCegarLoop]: 314 mSDtfsCounter, 4 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:33:06,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 940 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:33:06,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2025-03-17 11:33:06,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2815. [2025-03-17 11:33:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2641 states have (on average 1.284361984096933) internal successors, (3392), 2671 states have internal predecessors, (3392), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (141), 104 states have call predecessors, (141), 126 states have call successors, (141) [2025-03-17 11:33:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3663 transitions. [2025-03-17 11:33:06,584 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3663 transitions. Word has length 107 [2025-03-17 11:33:06,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:33:06,585 INFO L471 AbstractCegarLoop]: Abstraction has 2815 states and 3663 transitions. [2025-03-17 11:33:06,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 11:33:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3663 transitions. [2025-03-17 11:33:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-17 11:33:06,586 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:33:06,586 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:33:06,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 11:33:06,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:06,787 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:33:06,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:33:06,787 INFO L85 PathProgramCache]: Analyzing trace with hash 909901564, now seen corresponding path program 2 times [2025-03-17 11:33:06,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:33:06,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172615526] [2025-03-17 11:33:06,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:33:06,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:33:06,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:33:06,790 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:33:06,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 11:33:07,039 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes.